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Free tnpsc model questions Online Test - MeritNotes
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No. of Questions :10
Remaining Time :
1. The nitrogen percentage is the highest in the fertilizer?
(a)
Urea
(b)
Calcium cyanamide
(c)
Ammonium sulphate
(d)
Ammonium nitrate
2. Out of the following which one is an example of emulsion?
(a)
Air
(b)
Blood
(c)
Milk
(d)
Soap solution
3. The molarity of pure water is
(a)
55.56m
(b)
57.71m
(c)
60m
(d)
100m
4. Mercury is transported in metal containers made of
(a)
Iron
(b)
Aluminium
(c)
Silver
(d)
Lead
5. A pure substance can only be
(a)
A heterogeneous mixture
(b)
An element or a compound
(c)
An element
(d)
Compound
6. A bond formed by the transfer of electrons between atoms of the elements is called
(a)
Hydrogen bond
(b)
Co-ordinate bond
(c)
Covalent bond
(d)
Ionic bond
7. Which of the following alkaline earth metal forms covalent compounds?
(a)
Magnesium
(b)
Beryllium
(c)
Barium
(d)
Calcium
8. The vertical lines in modern periodic table are called
(a)
Period
(b)
Metals
(c)
Groups
(d)
Non metals
9. The carbohydrate which serves as a reserve glucose in body is
(a)
Glycogen
(b)
Starch
(c)
Sucrose
(d)
Fructose
10. Formic acid is obtained from
(a)
Fats
(b)
Orange
(c)
Red ants
(d)
Vinegar